11323130311231 has 2 divisors, whose sum is σ = 11323130311232. Its totient is φ = 11323130311230.

The previous prime is 11323130311219. The next prime is 11323130311243. The reversal of 11323130311231 is 13211303132311.

It is a balanced prime because it is at equal distance from previous prime (11323130311219) and next prime (11323130311243).

It is a cyclic number.

It is not a de Polignac number, because 11323130311231 - 2³⁷ = 11185691357759 is a prime.

It is a super-2 number, since 2×11323130311231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11323130311196 and 11323130311205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323130311931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661565155615 + 5661565155616.

It is an arithmetic number, because the mean of its divisors is an integer number (5661565155616).

Almost surely, 2^{11323130311231} is an apocalyptic number.

11323130311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323130311231 is an equidigital number, since it uses as much as digits as its factorization.

11323130311231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11323130311231 its reverse (13211303132311), we get a palindrome (24534433443542).

The spelling of 11323130311231 in words is "eleven trillion, three hundred twenty-three billion, one hundred thirty million, three hundred eleven thousand, two hundred thirty-one".